Local privacy
Files are decoded in memory and never sent to Tervix.
Video to Audio
Extract decodable audio from your own local video file as WAV.
Your files are processed locally and are never sent to our servers.
This browser does not provide the APIs required for local audio extraction.
How to use this tool
- 1
Choose your own local video and extract decodable audio as WAV.
- 2
Review the waveform, parameters and browser limitations.
- 3
Preview and download the result without leaving the browser.
Transparent local audio
Real compatibility
Codecs the browser cannot process are never promised.
Verifiable export
Edits export as PCM WAV and batches as ZIP.
Frequently asked questions
Can every video be decoded?
No. Container and codec support depends on the browser.
Is my file uploaded?
No. Loading, processing and export happen on your device.
Why might a format fail?
Each browser exposes different codecs. Tervix reports the error and preserves the source.